21034238589

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{67057}}^1$

素因数の和:67466

約数の個数: 48

約数和(自身を含む): 37492396032

約数和(自身を除く): 16458157443

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 383, 819, 1149, 2681, 3447, 4979, 8043, 14937, 24129, 34853, 44811, 67057, 104559, 201171, 313677, 469399, 603513, 871741, 1408197, 2615223, 4224591, 6102187, 7845669, 18306561, 25682831, 54919683, 77048493, 179779817, 231145479, 333876803, 539339451, 1001630409, 1618018353, 2337137621, 3004891227, 7011412863, 21034238589]

約数ペア:

[(1, 21034238589), (3, 7011412863), (7, 3004891227), (9, 2337137621), (13, 1618018353), (21, 1001630409), (39, 539339451), (63, 333876803), (91, 231145479), (117, 179779817), (273, 77048493), (383, 54919683), (819, 25682831), (1149, 18306561), (2681, 7845669), (3447, 6102187), (4979, 4224591), (8043, 2615223), (14937, 1408197), (24129, 871741), (34853, 603513), (44811, 469399), (67057, 313677), (104559, 201171)]